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Rules for FFTs #541
Rules for FFTs #541
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Hey, what is the timeline on this? Would be very helpful to have this for a project I'm working on. |
If this is going to be merged I think it's ready. Though it might be better in a separate package |
@MilesCranmer I'm going close this PR, move the code to https://github.com/JuliaApproximation/FastTransformsForwardDiff.jl and add support for FFTW.jl as I think its too half-baked to be in ForwardDiff.jl proper. |
This is picking up where #495 left off. Some simple examples of derivatives involving
fft
are now working.I wasn't able to get
dct
orr2r
working, yet, as they are defined in FFTW.jl. See JuliaMath/AbstractFFTs.jl#56